201997305

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{95507}}^1$

素因数の和:95565

約数の個数: 24

約数和(自身を含む): 357581952

約数和(自身を除く): 155584647

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 95507, 286521, 477535, 859563, 1432605, 4297815, 4488829, 13466487, 22444145, 40399461, 67332435, 201997305]

約数ペア:

[(1, 201997305), (3, 67332435), (5, 40399461), (9, 22444145), (15, 13466487), (45, 4488829), (47, 4297815), (141, 1432605), (235, 859563), (423, 477535), (705, 286521), (2115, 95507)]